1523 results about "Gear train" patented technology

A cursor assembly for a window regulator of a vehicle door, including: a main body portion; a clamping member secured to the main body portion; a cable securement feature that is moveably secured to the main body portion by an adjustment screw, wherein rotation of the adjustment screw about an axis will cause the cable securement feature to move along the axis with respect to the main body portion; and a gear train operably coupled to the adjustment screw.

A two-way oil-collecting reducer and an electric vehicle. The reducer includes an input gear, an intermediate gear set, an output gear, and an oil sump, and the oil sump includes a radial sump opening and a circumferential sump opening. An orientation of the radial sump opening is away from the intermediate gear set along a radial direction of the intermediate gear set. An orientation of the circumferential sump opening faces the output gear along a circumferential direction of the intermediate gear set. The radial sump opening and the circumferential sump opening are formed at the oil sump, so that the oil sump can collect lubricating oil churned by a gear train when the input gear drives, via the intermediate gear set, the output gear to rotate forward or reversely, to increase an amount of lubricating oil collected by the oil sump.

The invention discloses a pipeline combined type single-autorotation intelligent counter-current chromatograph, and relates to the technical field of counter-current chromatographs, the pipeline combined type single-autorotation intelligent counter-current chromatograph comprises a rotating disc, a surrounding separation channel is formed in the rotating disc, a filling block is mounted in the surrounding separation channel, one end of the rotating disc is rotatably mounted through a liquid slip ring, and the other end of the rotating disc is rotatably mounted through a liquid slip ring. The other end of the rotating disc is connected with a main shaft, the main shaft is connected with a driving device, unwinding is conducted in a liquid slip ring mode, the rotating disc can complete unwinding action under single rotation, mixing of two phases in the separation channel can be enhanced through a filling block, and therefore arrangement of a planetary gear train can be abandoned; the main shaft is directly driven by the driving equipment to rotate, and the main shaft drives the rotating disc to rotate to realize two-phase separation and extraction, so that a higher rotating speed can be obtained, and the separation efficiency and effect are improved; and secondly, after the planetary gear train is abandoned, the equipment noise is greatly reduced, and good dynamic balance is achieved.

An electric brake for a wheel rotor having a brake pad includes a housing with a passage. A piston assembly in the passage includes a spindle and a piston. The spindle is rotatable to cause the piston to move axially relative to the brake pad. A drive assembly includes a motor. A gear train is connected to the motor and the spindle. A coupling mechanism is coupled to the gear train and has a first condition enabling torque transmission from the motor to the spindle to axially move the piston to apply braking force to the brake pad. The coupling mechanism has a second condition disabling torque transmission from the motor to the spindle is prevented which permits the piston to retract and reduce the braking force on the brake pad without stopping or reversing the motor.

Systems and methods for an electric drive unit. The electric drive unit includes, in one example, a first electric machine rotationally coupled to a first drive wheel via a first gear train and a second electric machine rotationally coupled to a second drive wheel via a second gear train. The electric drive unit further includes a disconnect clutch that is configured to selectively rotationally couple the first electric machine and the second electric machine and a park lock assembly that is coupled to one of the first gear train and the second gear train and is configured to inhibit rotation of the corresponding gear train.

A wheel drive unit is to be fitted on a chassis of a heavy-duty vehicle. The wheel drive unit has at least one wheel shaft, configured to drive a wheel in rotation, at least one electric motor, capable of generating a torque, a gearbox for transmitting the torque of the motor(s) to the wheel shaft(s) and a transmission system between the electric motor(s) and the gearbox. The transmission system has of a gear train. A rotation axis of the electric motor is parallel to that of the wheel shaft(s).

The invention relates to a directional deflection diagonal plane deflection joint with a single driving source, which belongs to the technical field of deflection mechanisms capable of moving in multiple dimensions and comprises a first clutch, a second clutch, a transmission shaft, a clutch supporting structure, a planetary gear train, a planetary gear train transmission structure, a speed reducer, an upper diagonal plane mechanism, a lower diagonal plane mechanism, a universal joint, a driving motor and a bearing. Through the cooperation of different clutches, the upper part and the lower part of the joint can rotate in different directions and at different speeds or move in the same way, through the movement of different parts, the deflection action of the system in space is realized, the multi-dimensional movement space of the mechanism is realized, the number of driving sources is reduced, and the total weight of the system is further reduced.

The invention relates to the technical field of circuit breakers, in particular to a circuit breaker with a reclosing mechanism, which comprises a shell, a circuit breaker handle is rotationally arranged in the shell, an operating rod and at least three gears meshed in sequence are further rotationally arranged in the shell, and the tooth number of each gear is gradually increased in sequence. The two gears located on the two sides are a small gear and a large gear respectively, the number of teeth of the small gear is smaller than the number of teeth of the large gear, the operating rod is fixedly connected with the small gear, and the large gear is in transmission connection with a circuit breaker handle. Speed reduction and torque increase are realized through the gear train, so that the force required to be applied when a user manually operates the handle of the circuit breaker is remarkably reduced, the operation intensity is reduced, the convenience of manual reclosing is improved, and the manual reclosing device is particularly suitable for a large-current circuit breaker or an occasion requiring a relatively large operation torque.

The invention provides an electric drive axle assembly and a vehicle with the same, and relates to the technical field of vehicles. The electric drive axle assembly comprises a drive motor; the differential mechanism is connected with a vehicle wheel end through a half shaft; the first planetary gear train at least comprises a first sun gear and a first planetary gear, the first sun gear is connected with an output shaft of the driving motor, and the first planetary gear is arranged on a first planetary carrier; the second planetary gear train at least comprises a second sun gear and a second planetary gear, the second planetary gear is arranged on a second planetary carrier, and the output end of the second planetary carrier is connected with the differential mechanism; and the transmission gear system is connected with the first planetary gear system and the second planetary gear system, and the transmission gear system is used for transmitting power of any one of the first planet carrier and the first sun gear to any one of the second planet carrier and the second sun gear. The problems that an electric drive axle of a commercial vehicle is large in size and unreasonable in gear-speed ratio setting are solved.

The invention provides an axial magnetic flux motor driven RV speed reduction driving assembly which comprises an axial magnetic flux motor unit and an RV speed reducer unit which are connected, the axial magnetic flux motor unit and the RV speed reducer unit are integrated in a shell, the axial magnetic flux motor unit comprises a plurality of stators which are distributed in an annular mode, and the stators are connected with the axial magnetic flux motor unit. A stator is arranged on the rotor, a disc type rotor is arranged on each of the two sides of the stator, a plurality of torsion bars which are uniformly distributed in the circumferential direction are arranged on the rotor facing the side where the RV speed reducer unit is located, the torsion bars are connected with a sun gear of a planetary gear train of the RV speed reducer unit, and an output disc of the RV speed reducer unit is a power output end. The RV speed reduction driving assembly driven by the axial magnetic flux motor has the advantages of being large in starting torque, high in mechanical efficiency, compact in structure, high in overload capacity and the like.

An apparatus for a brake drum having a drum brake assembly with first and second brake shoes includes a motor and a planetary gear train for receiving torque from the motor and having an output gear. A ball ramp assembly receives torque from the output gear and has ends aligned with the respective first and second brake shoes. The motor is actuatable for lengthening the ball ramp assembly to move the brake shoes and apply braking force to the brake drum. A bi-stable locking mechanism selectively locks the planetary gear train to apply a parking brake to the brake drum.

The invention discloses an automobile part aluminum plating tool with overturning and clamping functions, and relates to the technical field of film plating tools, the automobile part aluminum plating tool comprises a driving assembly, a fixed outer frame and a plurality of overturning and clamping assemblies, and each overturning and clamping assembly comprises a deflection connecting rod, a telescopic rod, a workpiece chuck and a guide sleeve rod; when the driving assembly ascends and descends, the deflection connecting rod is driven by the first hinge shaft to deflect, the telescopic rod is forced to slide in the radial direction of the guide sleeve rod, and the workpiece chuck generates clamping / releasing displacement. An inner transmission ring is arranged on an inner ring of the fixed outer frame, a transmission wheel is installed at the lower end of the guide sleeve rod, and when the driving disc rotates, a planetary gear train enabling the overturning clamping assembly to rotate is formed through transmission of the inner transmission ring and the transmission wheel. A multi-drive structure is replaced with mechanical layout, modular layered layout improves efficiency, structural innovation guarantees stability, integration of self-adaptive clamping, composite motion and batch processing is achieved in the field of vacuum coating, and the bottleneck that a traditional tool is insufficient in flexibility and poor in uniformity is broken through.

The invention discloses a dual-electromechanical-port dual-modulation integrated type electromechanical composite compound planetary multi-source driving transmission system which comprises a dual-electromechanical-port motor with a dual-modulation composite integration effect, a differential planetary gear train, a compound planetary gear and a multi-gear parallel transmission structure. The double-electromechanical-port motor and the differential planetary gear train form an electromechanical composite transmission device of the double-electromechanical-port motor; a dual-modulation composite outer rotor of the dual-electromechanical-port motor serves as an outer mechanical port of the dual-electromechanical-port motor and also serves as a planet carrier input end of the differential planetary gear train. The front section of a gear shaft of the differential planetary gear train serves as an inner mechanical port of the double-electromechanical-port motor, the rear section of the gear shaft of the differential planetary gear train serves as a sun gear input end of the differential planetary gear train, and the differential planetary gear train is connected with the compound planetary gear through a shaft. The problems that in the prior art, energy loss is large, the size is large, a transmission chain is too long, unbalance loading is serious, and the transmission form is single can be solved.

The invention relates to a stepless speed change electric drive axle system and a vehicle, and the system comprises a motor which is used for providing power; the first gear set is in transmission connection with the motor and distributes power; the input end of the stepless speed regulating mechanism is connected with the first gear set, and the stepless speed regulating mechanism is used for achieving stepless speed change; the planetary gear train comprises a sun gear, a planet gear, an inner gear ring and a planet carrier, the sun gear is in transmission connection with the first gear set, and the inner gear ring is in transmission connection with the output end of the stepless speed regulating mechanism; the differential mechanism is in transmission connection with the planet carrier and used for outputting power to wheels; the first gear set shunts power to the stepless speed regulating mechanism and the sun gear, and the two paths of power are coupled in the planetary gear train and then output to the differential mechanism through the planet carrier. The stepless speed regulating mechanism enables the rotating speed of the inner gear ring to be steplessly adjustable by adjusting the displacement and the rotating speed, so that stepless adjustment of the output rotating speed of the planet carrier is achieved.

The invention discloses a pipeline-assembled single-rotation intelligent countercurrent chromatograph, which relates to the technical field of countercurrent chromatographs, and comprises a rotating disk, wherein a surrounding separation channel is provided in the rotating disk, wherein a filling block is installed in the surrounding separation channel, wherein one end of the rotating disk is rotatably installed through a liquid slip ring, and the other end of the rotating disk is connected to a main shaft, wherein the main shaft is connected to a driving device, and unwinding is performed by means of a liquid slip ring, so that the rotating disk can complete the unwinding action under single rotation and can rely on the filling block to strengthen the mixing of two phases in the separation channel, thereby abandoning the setting of a planetary gear system, and the main shaft directly drives the main shaft to rotate through the driving device, and the main shaft drives the rotating disk to rotate to realize two-phase separation and extraction, thereby being able to obtain a higher rotation speed and improving the efficiency and effect of separation; secondly, after abandoning the planetary gear system, the equipment noise is greatly reduced, and the device has good dynamic balance.

A universal drive including a ring gear, a sun gear in which a sun gear axis is moveable relative to a ring gear axis of the ring gear, a gear train constituted by a series of gears configured to connect the sun gear and the ring gear to each other, a link mechanism connected to the sun gear and the ring gear in the state in which relative rotation therebetween is allowed such that a power transmission state between the sun gear and the ring gear is continuously maintained while accommodating a change in the inter-axis distance between the sun gear and the ring gear, a carrier installed so as to support a rotating shaft of a final gear engaged with the ring gear, and a sliding member located between at least one of the gears and the carrier.

The invention relates to a dual-motor input horizontal stabilizer balancing system which comprises a channel 1 motor assembly, a channel 2 motor assembly, a differential gear train, a final-stage gear, a reduction gear, an output gear, a ball screw and a lower connector. The dual-motor input horizontal stabilizer balancing system further comprises a main control electronic component PCE which is configured to be used for generating a corresponding balancing rate instruction according to a flight control law based on external data; and the motor control unit MCU comprises an MCU1 used for a channel 1 and an MCU2 used for a channel 2, and is configured to be used for generating a corresponding control instruction according to the balancing rate instruction and providing the control instruction to the channel 1 motor assembly (1) and the channel 2 motor assembly (2).

The invention provides a wind generating set, a differential speed regulation device and a control method thereof, the wind generating set comprises the differential speed regulation device, a multi-port converter and an electro-magnetic synchronous generator, and the differential speed regulation device comprises a permanent magnet motor, a differential planetary gear train, a quasi planetary gear train and a speed regulation motor. A permanent magnet motor rotor is connected with a differential planetary gear train planet carrier, and a speed regulating motor rotor is connected with a quasi planetary gear train sun gear. The differential planetary gear train sun gear drives the electro-magnetic synchronous generator rotor to operate at a first preset rotating speed. One port of the multi-port converter is connected with the permanent magnet motor stator, one port is connected with the speed regulation motor stator, and the other port is connected with the electro-magnetic synchronous generator rotor through the slip ring. According to the differential speed regulation device, variable-speed input, self-energized speed regulation and constant-speed output are achieved, and the differential speed regulation device is compact in overall structure, small in size and light in weight; the black start can be realized without taking power from a power grid; and the electro-magnetic synchronous generator is directly connected to the grid, so that the power grid supporting capacity is high.

The invention relates to a tilt actuation system of a tilt-rotor aircraft. The tilt actuation system comprises a tilt actuation unit, an active power input unit and a backup power input unit, the tilting actuation unit comprises a ball screw and a screw nut used in cooperation with the ball screw. The driving power input unit comprises a driving power input unit shell, driving power input equipment, a planetary gear train in transmission connection with an input shaft of the driving power input equipment and a first triple gear in transmission connection with the planetary gear train. The backup power input unit comprises a backup power input unit shell, backup power input equipment, a second triple gear in transmission connection with an input shaft of the backup power input equipment, and a worm and gear mechanism in transmission connection with the second triple gear; the problems that an existing tilting actuation system of the tilting rotor aircraft is poor in operability, low in control efficiency, poor in stability and prone to system failure, and consequently the flight safety cannot be guaranteed are solved.

The invention discloses an efficient scrap steel crusher, and relates to the technical field of scrap steel crushing. Comprising a mounting frame, and a main crushing roller and an auxiliary crushing roller are rotationally connected into the mounting frame; the mounting shell is fixedly connected to the mounting frame, and a sun gear, a planet carrier, a planet gear and a gear ring which are used for forming a planetary gear train are arranged in the mounting shell; the gear box is mounted on the mounting shell, and an output gear is rotationally connected into the gear box; the mounting cylinder is arranged on the planet carrier and is rotationally connected with the mounting shell; and the detection assembly is arranged on the main crushing roller and is used for detecting the rotating speed difference between the main crushing roller and the mounting cylinder. The rotating speed difference of the main crushing roller and the mounting cylinder is detected, the rotating speed of the main crushing roller and the mounting cylinder is adjusted according to the rotating speed difference, the rotating speed of the main crushing roller is reduced when the load of the main crushing roller is large, the torque of the main crushing roller is increased, the material blocking probability is reduced, and then the waste steel crushing efficiency is improved.

The invention discloses a four-gear new energy automobile hub motor driving device and a speed regulation method. The hub motor driving device comprises a motor, a shell, a first brake, a first-stage planetary gear train, a synchronizer, a second brake, a third brake, a fourth brake, a second-stage planetary gear train, a double clutch, a first shaft, a second shaft and a hub. The synchronizer is located in the rotation space of the special-shaped gear ring, the first shaft is an input shaft of the first-stage planetary gear train, and the second shaft is an input shaft of the second-stage planetary gear train. The second combined gear ring is connected with the special-shaped gear ring, and the first combined gear ring is connected with the first-stage planet carrier; through axial movement of the combination sleeve, the second shaft can be combined with the first-stage planet carrier or the special-shaped gear ring, the first-stage planet carrier and the special-shaped gear ring can transmit power to the second-stage sun gear, input of two rotating speeds of the second-stage sun gear is achieved, and through matching of two-stage input and two-stage output of the second-stage planet gear train, the four-gear speed regulation effect is achieved. According to the invention, the output torque can be increased, and more stable output power and speed regulation of more gears can be realized.

The invention discloses a power-interruption-free gear-shifting hub motor two-gear transmission of a duplex planetary compound gear train. The power-interruption-free gear-shifting hub motor two-gear transmission is mainly composed of a driving motor; a first planetary gear train; a second planetary gear train; a controllable one-way clutch; a clutch; a central support shaft; and a transmission shell and the like. The first planetary gear train is a duplex planet compound planetary gear train with small characteristic parameters. An output shaft of the driving motor is connected with the first sun gear; the first right planet carrier is connected with the second sun gear; the second planet carrier is connected with wheels; the controllable one-way clutch is used for connecting the first gear ring and a transmission shell, and a one-way locking state, a two-way locking state or a two-way overrunning state can be achieved. The clutch is used for connecting the drive motor output shaft and the first left planet carrier. According to the hub motor two-gear transmission, seven different running states including first-gear driving, second-gear driving, neutral gear, reversing, first-gear regenerative braking, second-gear regenerative braking and low-speed sliding friction braking can be achieved through the control clutch and the controllable one-way clutch.

A gas turbine engine includes, among other things, a propulsor section including a rotor and blades, a geared architecture including a gear train, a compressor section and a turbine section. A static structure includes a first case and a second case. The first case includes a first engine mount location. The second case includes a second engine mount location. The first engine mount location is axially near the geared architecture.

The invention discloses a planetary gear train type speed reduction differential transmission mechanism and a transmission method thereof, and belongs to the technical field of speed reducers. A stator of the motor is connected with the shell, a rotor of the motor is connected with a first sun gear and arranged outside the first output shaft in a sleeving mode, the first sun gear is meshed with a first planet gear, the first planet gear is meshed with a first gear ring, the first planet gear is installed on a first planet carrier, and the first planet carrier is connected with the first output shaft. The second sun gear is meshed with the second planet gear, the second planet gear is meshed with the third planet gear, the third planet gear is meshed with the second gear ring, and the second planet gear and the third planet gear are both installed on the second planet carrier. The first gear ring is connected with the second planet carrier, and the second sun gear is connected with the second output shaft. Or the gear ring I is connected with the sun gear II, and the planet carrier II is connected with the second output shaft; the first output shaft, the second output shaft, the first planetary gear train, the second planetary gear train and the motor are coaxially arranged. The differential mechanism is compact in structure, large in transmission ratio and easy to manufacture, the differential function is achieved through the planetary gear train, and the technical bottleneck of a traditional transmission mechanism is broken through.

The invention discloses a wind power gear box planetary gear train meshing unbalance load prediction method considering basic motion. The method comprises the following steps: 1) constructing a floating platform non-inertial dynamics model; 2) solving the non-inertial dynamic model of the floating platform to obtain tooth surface unbalance loading coefficients under different platform motion frequencies; 3) calculating a tooth surface unbalance loading coefficient considering the platform motion influence; 4) collecting vibration displacement signals of the gear rings by using vibration sensors arranged on the gear rings of the planetary gear train, and extracting vibration displacement characteristics; 5) constructing a mapping equation between the vibration displacement and the tooth surface unbalance loading coefficient; and 6) utilizing a vibration sensor to collect vibration displacement signals of the planetary gear train gear ring of the gearbox of the floating wind turbine generator in real time, extracting real-time vibration displacement characteristics, and inputting the real-time vibration displacement characteristics into the mapping equation between the vibration displacement and the tooth surface unbalance loading coefficient to obtain the tooth surface unbalance loading coefficient for predicting the meshing unbalance loading of the planetary gear train. According to the method, the accuracy of meshing unbalance loading of the planetary gear train of the gearbox of the offshore floating wind turbine generator is improved.

The invention discloses a fault-tolerant momentum gear train control method and device, and belongs to the field of satellite attitude control. The method comprises the following steps: determining a momentum wheel configuration scheme and a configuration scheme meeting the envelope capability based on the envelope capability of a satellite platform; if it is determined that a failure angular momentum wheel exists in the large-angular momentum momentum wheel train, target angular momentum feedforward compensation load platform rotation angular momentum is used for forming whole-satellite zero momentum, and the large-angular momentum momentum wheel train is used for compensating non-rotation-axis angular momentum generated by the large-angular momentum momentum wheel train; if it is determined that a failure torque wheel exists in the large-torque momentum wheel train, new target angular momentum is established for the large-angular momentum momentum wheel train, and the large-torque momentum wheel train absorbs angular momentum changes caused by rotating speed control of the large-angular momentum momentum wheel train so as to achieve whole-satellite zero momentum control. According to the invention, when a failed wheel appears in one wheel train, the interference caused by the failed wheel is compensated by using the other wheel train, so that the stable transition of the whole-satellite attitude is realized.

The invention discloses a gear transmission system nonlinear dynamic modeling method and system considering thermal deformation, and relates to the technical field of gear transmission system dynamic simulation. The method comprises the steps that component parameters and operation parameters of the planetary gear system are received; based on the component parameters and the operation parameters of the planetary gear system, a tooth surface flash temperature model is constructed, and a tooth surface friction coefficient is obtained through calculation; and constructing a tooth profile thermal deformation model, and respectively calculating internal excitation of the planetary gear system considering tooth profile thermal deformation. According to the method, the gear surface flash temperature model, the tooth profile thermal deformation model and the bearing gap model are constructed, the helical tooth planetary gear train-bearing nonlinear dynamic model is established, and the technical defect that the gear temperature rise effect and the nonlinear factors of the bearing cannot be fully considered in traditional helical tooth planetary gear train dynamic modeling is overcome; and the vibration response prediction precision under the high-speed and heavy-load working condition is obviously improved.

A gear speed change device. The gear speed change device comprises a first planetary gear train (100). The first planetary gear train (100) comprises a first ring gear (101), a first planetary carrier (102), first planetary gears (103), a solar idle gear (104), and a planetary idle gear (105). The planetary idle gear (105) and the first planetary gears (103) are all mounted on the first planetary carrier (102); each first planetary gear (103) comprises a pinion (103a) and a large gear (103b) coaxially connected to the pinion (103a); the planetary idle gear (105) and the pinion (103a) are both engaged with the inside of the first ring gear (101) and are both engaged with the outside of the solar idle gear (104); the pinion (103a) can float along the radial direction thereof relative to the first planetary carrier (102), and the maximum radial floating amount of the pinion (103a) is greater than the maximum radial floating amount of the planetary idle gear (105); and the large gears (103b) of at least two first planetary gears (103) are arranged in a staggered manner in the axial direction, and projections thereof on a plane perpendicular to the axial direction overlap with each other. The gear speed change device has a relatively high torque load density, and can give consideration to a small volume, a large transmission speed ratio and a high torque load capability.

The invention discloses a power-interruption-free multiplexing actuator two-gear change wheel-side dual-motor independent driving system which comprises a first driving motor, a first primary speed reducer, a first duplex planetary compound gear train, a first intermediate shaft, a first secondary speed reducer, a first output shaft, a first controllable one-way clutch and a first hydraulic multi-plate friction clutch. And the second driving motor, the second first-stage speed reducer, the second duplex planetary compound gear train, the second intermediate shaft, the second second-stage speed reducer, the second output shaft, the second controllable one-way clutch and the second hydraulic multi-plate type friction clutch. The driving systems are arranged in a centralized mode and independently drive wheels on one side, and the same gear shifting control mechanism is reused on the two sides. By controlling the controllable one-way clutch and the multi-piece type friction clutch, seven driving modes including first-gear driving, second-gear driving, neutral gear, first-gear regenerative braking, second-gear regenerative braking, reverse running and parking braking can be achieved, and switching of the driving modes on the two sides can be completed at the same time without power interruption.

A system for performing a mechanical operation on a wireline is described including: a motor; a gear train coupled to the motor, the gear train including a first and a second rotational output, the first and second rotational outputs having different rotational speeds relative to each other; a fluid pump coupled to both the first and second rotational outputs, the fluid pump including: a pump housing coupled to the first rotational output, and a pump input coupled to the second rotational output; and a milling bailer coupled to the housing of the fluid pump and configured to rotate with the fluid pump housing, the milling bailer including: a bailer portion shaped to intake fluid and allow the fluid to flow through a filter and the fluid pump; and a milling face including a bit and configured to perform a milling operation while fluid is flowing through the bailer portion.